// suntra.ca
function getScreen( url, size )
{
  if(url === null){ return ""; }

  size = (size === null) ? "big" : size;
  var vid;
  var results;
  results = url.match("[\\?&]v=([^&#]*)");
  vid = ( results === null ) ? url : results[1];
  if(size == "small"){
    return "http://img.youtube.com/vi/"+vid+"/2.jpg";
  }else {
    return "http://img.youtube.com/vi/"+vid+"/0.jpg";
  }
}

$(document).ready(function(){ 

	var bgArr = ["http://centennialgala.com/wp-content/themes/2011/assets/images/headers/hdrbg_1.jpg","http://centennialgala.com/wp-content/themes/2011/assets/images/headers/hdrbg_2.jpg","http://centennialgala.com/wp-content/themes/2011/assets/images/headers/hdrbg_3.jpg","http://centennialgala.com/wp-content/themes/2011/assets/images/headers/hdrbg_4.jpg"]; 
	var x=0;
      setInterval(function() {
	        $(".container").css("background-image", "url("+bgArr[x]+")");
	        (x < bgArr.length-1) ? x++ : x=0 
	    }, 10000);

		
		
			$('.readmore').toggle(function() {
			    $(this).parents('.bio').children('.full_bio').slideDown();
			$(this).parents('.bio').children('.readmore').html('Less');
			},function(){
				$(this).parents('.bio').children('.full_bio').slideUp();
				$(this).parents('.bio').children('.readmore').html('Read More');
			  });

				
			$('.gala_nav').localScroll();
			$('#gala_items').localScroll({
			   target:'#gala_content',
			  	axis:'y',
				hash:true, 
				onAfter: trigger
			});	
	
				$('#gala_items').localScroll({
				   target:'#gala_content',
				  	axis:'y',
					hash:true, 
					onAfter: trigger
				});
	
			function trigger(data) {
			  $whereweare = data.id;
			if ($whereweare == "gala_venue") {$('#venue').addClass('select'); $('#honorees').removeClass('select'); $('#tickets').removeClass('select'); }
			if ($whereweare == "gala_speakers") {$('#venue').removeClass('select'); $('#honorees').addClass('select'); $('#tickets').removeClass('select');}
			if ($whereweare == "gala_buy_tickets") {$('#venue').removeClass('select'); $('#honorees').removeClass('select'); $('#tickets').addClass('select');}
			}

	
				var offset = $(".gala_nav").offset();
			    var topPadding = 15;
			    $(window).scroll(function() {

			        if ($(window).scrollTop() > offset.top) {
			            $(".gala_nav").stop().animate({
			                marginTop: $(window).scrollTop() - offset.top + topPadding
			            });
			        } else {
			            $(".gala_nav").stop().animate({
			                marginTop: 0
			            });
			        }
			    });
			

});